Paige and Cindy have been saving money. Paige started with $350 in her savings and deposits $25 into her savings each week. Cindy savings is represented by the equation T =190+40w where T is total savings and w is the number of weeks. In how many weeks will Cindy have more money in her savings than Paige?

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters